HIGHROAD / SHIPPING KNOWLEDGE
Why Car Haulers Cannot Drive Nonstop
Car-shipping transit time includes more than road mileage. Drivers subject to federal hours-of-service rules must work within driving and duty limits, and a shared transporter may make several collections and deliveries. A map's passenger-car travel time is not a reliable delivery schedule for a loaded car hauler.
The basic federal limits
FMCSA's summary for property-carrying drivers describes an 11-hour driving limit after 10 consecutive hours off duty and a 14-hour driving window after coming on duty. It also describes a 30-minute non-driving interruption after eight cumulative driving hours, plus 60/70-hour on-duty limits over seven/eight days.
These are general rules, not a calculation of your driver's available hours. Sleeper-berth provisions, specified exceptions, and other qualifying arrangements can change the analysis. The carrier is responsible for applying the rules to its operation.
Loading time is part of the schedule
A stop can involve access arrangements, inspection, paperwork, positioning vehicles, and loading or unloading. Traffic, terminal queues, and safe parking availability also affect the trip. A driver may be close to a delivery address yet need to stop before completing another movement.
Ask dispatch for a practical arrival window that accounts for the remaining route, not just the vehicle's last reported location. Avoid interpreting a stationary tracking point as proof that the driver has abandoned the load.
Ask useful questions when an estimate changes
– What is the revised delivery window? – Is the change caused by rest requirements, earlier stops, weather, access, or another issue? – When should I expect the next update? – Will the delivery location or receiving contact need to change? – Does the written agreement provide any remedy for this particular delay?
Keep a dated record of material updates. If the explanation and the contract do not match, request clarification through the booking company's verified contact channel. A valid need for rest does not answer every separate billing or service dispute.
Plan the receiving arrangements
Choose a receiving contact who can inspect the vehicle and complete the handoff within the agreed window. If you have a flight, work shift, or appointment, arrange an authorized backup in advance. Confirm that the unloading location remains accessible at the revised time.
An expedited service may change equipment or scheduling, but it does not give a driver permission to ignore safety rules. Ask what the paid service actually includes and whether any timing promise is written into the agreement.
Planning example: a customer sees that the truck is a few hours away and assumes same-day delivery. Dispatch still needs to account for lawful driving availability, intervening stops, and unloading access before confirming that expectation.
Common questions
Can I pay extra to skip a required rest period?
No. Discuss lawful service options with dispatch.
Does a team-driver arrangement guarantee nonstop delivery?
No. Loading, access, vehicle issues, and each driver's applicable limits still matter.
Do these limits guarantee a maximum number of miles per day?
No. Do not convert legal hour limits into a promised mileage or arrival date.
Plan your shipment
Share the route, vehicle condition, timing, and any access concern when you request a shipping callback. A form submission requests contact; it does not book transportation, take payment, or confirm carrier acceptance.
Related guides
Browse all car shipping guides.
Sources and further reading
Sources checked October 11, 2026. Confirm current requirements for your shipment. This is general information, not an individual legal, insurance, or eligibility determination. Reference links do not imply endorsement of Highroad.